<template>
  <div class="chart" ref="chart"></div>
</template>

<script>
import * as echarts from "echarts";
export default {
  mounted() {
    this.char = null;
    this.initChart();
  },
  destroyed() {
    this.chart && this.chart.dispose();
  },
  methods: {
    initChart() {
      if (!this.$refs.chart) {
        return;
      }
      const option = {
  title: {
    text: 'Referer of a Website',
    subtext: 'Fake Data',
    left: 'center'
  },
  tooltip: {
    trigger: 'item'
  },
  legend: {
    orient: 'vertical',
    left: 'left'
  },
  series: [
    {
      name: 'Access From',
      type: 'pie',
      radius: '50%',
      data: [
        { value: 1048, name: 'Search Engine' },
        { value: 735, name: 'Direct' },
        { value: 580, name: 'Email' },
        { value: 484, name: 'Union Ads' },
        { value: 300, name: 'Video Ads' }
      ],
      emphasis: {
        itemStyle: {
          shadowBlur: 10,
          shadowOffsetX: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)'
        }
      }
    }
  ]
};
      this.$refs.chart.style.height = "280px";
      this.$refs.chart.style.width = getComputedStyle(
        this.$refs.chart.parentNode
      ).width;
      this.chart = echarts.init(this.$refs.chart);
      this.chart.setOption(option);
    },
  },
};
</script>
<style>
.mod-home {
  line-height: 1.5;
}
</style>
